<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Bootstrap-图片</title>
    <link href="bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-xs-4">
            <img width="250" height="174.3" src="img/1.jpeg" class="img-rounded">
        </div>

        <div class="col-xs-4">
            <img width="250" height="174.3" src="img/1.jpeg" class="img-circle">
        </div>

        <div class="col-xs-4">
            <img width="250" height="174.3" src="img/1.jpeg" class="img-thumbnail">
        </div>
    </div>

    <div class="row">
        <div class="col-xs-4">
            <img src="img/1.jpeg" class="img-responsive img-thumbnail" alt="Cinque Terre">
        </div>
        <div class="col-xs-4">
            <img src="img/1.jpeg" class="img-responsive img-rounded" alt="Cinque Terre">
        </div>
        <div class="col-xs-4">
            <img src="img/1.jpeg" class="img-responsive img-circle" alt="Cinque Terre">
        </div>
    </div>
</div>


<script src="jquery-3.2.1.js"></script>
<script src="bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
</body>
</html>